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Dense Video Object Captioning (DVOC) is the task of jointly detecting, tracking, and captioning object trajectories in a video, requiring the ability to understand spatio-temporal details and describe them in natural language. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Gabriel Fiastre , Antoine Yang , Cordelia Schmid

In this study, the influence of objects is investigated in the scenario of human action recognition with large number of classes. We hypothesize that the objects the humans are interacting will have good say in determining the action being…

Computer Vision and Pattern Recognition · Computer Science 2015-12-25 O. V. Ramana Murthy , Roland Goecke

Human-object interaction (HOI) detection requires a large amount of annotated data. Current algorithms suffer from insufficient training samples and category imbalance within datasets. To increase data efficiency, in this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Yichen Xie , Hao-Shu Fang , Dian Shao , Yong-Lu Li , Cewu Lu

Videos convey rich information. Dynamic spatio-temporal relationships between people/objects, and diverse multimodal events are present in a video clip. Hence, it is important to develop automated models that can accurately extract such…

Computation and Language · Computer Science 2020-05-14 Hyounghun Kim , Zineng Tang , Mohit Bansal

Multi-modal learning, particularly among imaging and linguistic modalities, has made amazing strides in many high-level fundamental visual understanding problems, ranging from language grounding to dense event captioning. However, much of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Tanzila Rahman , Bicheng Xu , Leonid Sigal

Human-Object Interaction (HOI) detection is a core task for high-level image understanding. Recently, Detection Transformer (DETR)-based HOI detectors have become popular due to their superior performance and efficient structure. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Xubin Zhong , Changxing Ding , Zijian Li , Shaoli Huang

Upsurging abnormal activities in crowded locations such as airports, train stations, bus stops, shopping malls, etc., urges the necessity for an intelligent surveillance system. An intelligent surveillance system can differentiate between…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Shahriar Jahan , Roknuzzaman , Md Robiul Islam

Human-object interaction (HOI) detection aims to comprehend the intricate relationships between humans and objects, predicting $<human, action, object>$ triplets, and serving as the foundation for numerous computer vision tasks. The…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Yichao Cao , Qingfei Tang , Xiu Su , Chen Song , Shan You , Xiaobo Lu , Chang Xu

Understanding interactions between humans and objects is one of the fundamental problems in visual classification and an essential step towards detailed scene understanding. Human-object interaction (HOI) detection strives to localize both…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Tiancai Wang , Tong Yang , Martin Danelljan , Fahad Shahbaz Khan , Xiangyu Zhang , Jian Sun

We propose a state of the art method for intelligent object recognition and video surveillance based on human visual attention. Bottom up and top down attention are applied respectively in the process of acquiring interested object(saliency…

Computer Vision and Pattern Recognition · Computer Science 2013-08-26 Panqu Wang , Yan Zhang

Detecting meaningful events in an untrimmed video is essential for dense video captioning. In this work, we propose a novel and simple model for event sequence generation and explore temporal relationships of the event sequence in the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Yuqing Song , Shizhe Chen , Yida Zhao , Qin Jin

Untrimmed videos have interrelated events, dependencies, context, overlapping events, object-object interactions, domain specificity, and other semantics that are worth highlighting while describing a video in natural language. Owing to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Iqra Qasim , Alexander Horsch , Dilip K. Prasad

We propose HOI Transformer to tackle human object interaction (HOI) detection in an end-to-end manner. Current approaches either decouple HOI task into separated stages of object detection and interaction classification or introduce…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Cheng Zou , Bohan Wang , Yue Hu , Junqi Liu , Qian Wu , Yu Zhao , Boxun Li , Chenguang Zhang , Chi Zhang , Yichen Wei , Jian Sun

Human-object interaction (HOI) detection plays a key role in high-level visual understanding, facilitating a deep comprehension of human activities. Specifically, HOI detection aims to locate the humans and objects involved in interactions…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Yuxiao Wang , Yu Lei , Li Cui , Weiying Xue , Qi Liu , Zhenao Wei

In this paper, we propose a new instance-level human-object interaction detection task on videos called ST-HOID, which aims to distinguish fine-grained human-object interactions (HOIs) and the trajectories of subjects and objects. It is…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xu Sun , Yunqing He , Tongwei Ren , Gangshan Wu

Human-object interaction detection is an important and relatively new class of visual relationship detection tasks, essential for deeper scene understanding. Most existing approaches decompose the problem into object localization and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Tiancai Wang , Rao Muhammad Anwer , Muhammad Haris Khan , Fahad Shahbaz Khan , Yanwei Pang , Ling Shao , Jorma Laaksonen

Human-Object Interaction (HOI) detection aims to detect visual relations between human and objects in images. One significant problem of HOI detection is that non-interactive human-object pair can be easily mis-grouped and misclassified as…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Lu Liu , Robby T. Tan

Human-object interaction (HOI) detection aims to detect interactions between humans and objects in images. While recent advances have improved performance on existing benchmarks, their evaluations mainly focus on overall prediction accuracy…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Lemeng Wang , Qinqian Lei , Vidhi Bakshi , Daniel Yi , Yifan Liu , Jiacheng Hou , Asher Seng Hao , Zheda Mai , Wei-Lun Chao , Robby T. Tan , Bo Wang

Human object interaction (HOI) detection is an important task in image understanding and reasoning. It is in a form of HOI triplet <human; verb; object>, requiring bounding boxes for human and object, and action between them for the task…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Suresh Kirthi Kumaraswamy , Miaojing Shi , Ewa Kijak

Human actions often involve complex interactions across several inter-related objects in the scene. However, existing approaches to fine-grained video understanding or visual relationship detection often rely on single object representation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Chih-Yao Ma , Asim Kadav , Iain Melvin , Zsolt Kira , Ghassan AlRegib , Hans Peter Graf